public async override Task <int> SaveChangesAsync()
{
using (var tx = this.CreateTransactionScope())
{
ChangeSet cs = this.PrepareChanges();
if (!(SecurityContext == null || SecurityContext.IgnoreSecurity))
{
foreach (var item in cs.UpdatedEntities)
{
BaseSecurityContext.GenericMethods.InvokeGeneric(
SecurityContext,
"VerifyEntityModify",
item.EntityType,
item.Entity,
item.OriginalValues.Keys.ToList());
}
foreach (var item in cs.Deleted)
{
await(Task) GenericMethods.InvokeGeneric(this,
"VerifySourceEntity", item.EntityType, item.Entity, true);
}
}
if (AuditContext != null)
{
cs.BeginAudit();
}
try
{
int result = await base.SaveChangesAsync();
if (!(SecurityContext == null || SecurityContext.IgnoreSecurity))
{
foreach (var item in cs.UpdatedEntities)
{
await(Task) GenericMethods.InvokeGeneric(this,
"VerifySourceEntity", item.EntityType, item.Entity, false);
}
}
if (AuditContext != null)
{
await cs.EndAuditAsync(AuditContext);
}
tx.Commit();
return(result);
}
catch (DbEntityValidationException ve)
{
StringBuilder sb = new StringBuilder();
foreach (var item in ve.EntityValidationErrors.Where(x => !x.IsValid))
{
foreach (var error in item.ValidationErrors)
{
sb.AppendLine(item.Entry.Entity.GetType() + "." + error.PropertyName + ": " + error.ErrorMessage);
}
}
throw new AtomValidationException(sb.ToString());
}
}
}
